| Title | Authors | Year |
|---|---|---|
| Forest decline, nutrient supply and diagnostic fertilisation in southwestern Germany and in southern California. |
Huettl, R.F… |
1990 |
| The effect of air quality on tree growth. |
Lee, H.S.J… |
1990 |
| Afforestation and Lake Acidification: A Comparison of Four Sites in Scotland. |
Kreiser, A.… |
1990 |
| Fine Root Studies in situ and in the Laboratory. |
Wollmer, H… |
1990 |
| Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids |
Buhl, K. J… |
1990 |
| Forest soil chemical changes between 1949-50 and 1987 |
Billett, M.… |
1990 |
| Phytoavailability and toxicity of beryllium and vanadium |
Kaplan, D… |
1990 |
| Successional changes in the soft-water macrophyte vegetation of (sub)atlantic, sandy, lowland regions during this century |
Arts, G.H.P… |
1990 |
| Wildlife toxicology |
Hoffman, D.… |
1990 |
| Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals |
Muniz, I.P… |
1990 |